Significant Accounting Policies - Additional Information (Detail) (USD $)	12 Months Ended						12 Months Ended										0 Months Ended
	Dec. 29, 2013 Store	Dec. 30, 2012 Store	Jan. 01, 2012	Apr. 18, 2011	Dec. 29, 2013 Inventory Valuation Reserve [Member]	Dec. 30, 2012 Inventory Valuation Reserve [Member]	Dec. 29, 2013 Cost of Goods, Total [Member] Supplier Concentration Risk [Member]	Dec. 30, 2012 Cost of Goods, Total [Member] Supplier Concentration Risk [Member]	Dec. 29, 2013 Trade names [Member]	Dec. 29, 2013 Partial repayment of debt [Member] $700.0 million Term Loan [Member]	Dec. 29, 2013 Pay down of debt in IPO [Member] $700.0 million Term Loan [Member]	Dec. 29, 2013 Refinancing of debt [Member] $410.0 million Former Term Loan [Member]	Dec. 29, 2013 Renewal of financing lease [Member]	Dec. 29, 2013 Henry's Holdings LLC [Member] Trade names [Member]	May 31, 2012 Sunflower Farmers Markets, Inc. [Member]	May 29, 2012 Sunflower Farmers Markets, Inc. [Member]	May 29, 2012 Sunflower Farmers Markets, Inc. [Member] Trade names [Member]
Summary Of Significant Accounting Policy [Line Items]
Allowances or reserves for inventories					$ 0	$ 0
Impairment, goodwill	0	0	0
Impairment, intangible asset	0	0	0
Intangible assets estimated useful life														20 years
Intangible assets estimated useful life									9 years 6 months								10 years
Impairment, long lived assets	0	0	0
Financing lease obligations for store building leases	38	31
Purchases expressed as cost of sales, percentage							23.00%	17.00%
Loss on extinguishment of debt	(18,721,000)	(992,000)								(1,000,000)	(9,000,000)	(8,200,000)	(500,000)
Percentage of income tax to be realized	50.00%
Deferred tax asset	$ 33,413,000	$ 47,170,000		$ 47,600,000												$ 1,900,000
Equity interest ownership percentage															100.00%